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    Solar cell unit, solar cell array, solar cell module and manufacturing method thereof
    11.
    发明授权
    Solar cell unit, solar cell array, solar cell module and manufacturing method thereof 有权

    公开(公告)号：US10069019B2

    公开(公告)日：2018-09-04

    申请号：US14738578

    申请日：2015-06-12

    Applicant: BYD COMPANY LIMITED

    Inventor： Zhiqiang Zhao ,  Zhanfeng Jiang ,  Long He

    IPC: H01L31/02 ,  H01L31/048 ,  H01L31/05 ,  H01L31/0224 ,  H01L31/18

    Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The secondary grid lines comprises an edge secondary grid line adjacent to an edge of the cell substrate and a middle secondary grid line disposed inside of the edge secondary grid line. The at least one edge secondary grid line has a width greater than the middle secondary grid line. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other. The plurality of conductive wires intersects and is connected with the secondary grid lines.

    Polymer composite membrane, fabrication method therefor, and lithium-ion battery
    13.
    发明授权
    Polymer composite membrane, fabrication method therefor, and lithium-ion battery 有权

    公开(公告)号：US11133559B2

    公开(公告)日：2021-09-28

    申请号：US16474992

    申请日：2017-12-01

    Applicant: BYD COMPANY LIMITED

    Inventor： Jialing Hu ,  Jun Shan ,  Long He

    IPC: H01M50/44 ,  B01D69/14 ,  B01D71/34 ,  B01D71/40 ,  H01M10/0525 ,  H01M50/411 ,  H01M50/403

    Abstract: A polymer composite membrane, a method for fabricating same, and a lithium-ion battery including same are provided. The polymer composite membrane includes a porous base membrane and a heat-resistant layer covering at least one side surface of the porous base membrane, the heat-resistant layer includes a plurality of heat-resistant sub-layers sequentially stacked, and pore-blocking temperatures of the heat-resistant sub-layers are sequentially increased from inside to outside; each of the heat-resistant sub-layers includes at least one of a first heat-resistant polymer material and a second heat-resistant polymer material, and each of the heat-resistant sub-layers is separately configured as a fiber network structure; the melting point of the first heat-resistant polymer material is not less than 200° C.; and the melting point of the second heat-resistant polymer material is not less than 100° C.

    Battery, battery module, battery pack and electric vehicle
    15.
    发明授权
    Battery, battery module, battery pack and electric vehicle 有权

    公开(公告)号：US11258129B2

    公开(公告)日：2022-02-22

    申请号：US17019852

    申请日：2020-09-14

    Applicant: BYD COMPANY LIMITED

    Inventor： Chuanfu Wang ,  Long He ,  Huajun Sun ,  Jianhua Zhu ,  Zhipei Lu ,  Yan Zhu ,  Shichao Hu

    IPC: H01M2/10 ,  H01M2/36 ,  B60L50/64 ,  H01M50/20 ,  H01M50/60

    Abstract: A battery includes a case and a battery core assembly disposed in the case, the battery core assembly includes a plurality of battery core groups and an receiving space holding the plurality of battery core groups, the battery core groups are connected in series, and the battery core group includes at least one battery core; a separator plate is disposed between at least two adjacent battery core groups, the separator plate divides the receiving space into a plurality of receiving cavities, each of the receiving cavities holds one or more battery core groups , and a cavity wall of the receiving cavity comprised by a connection of the separator plate and a separation membrane; and the battery further includes a liquid injection channel and the liquid injection channel in a sealed state, the liquid injection channel is disposed on at least one of the separation membranes and the separator plates.

    Lithium-ion battery, battery module, battery pack, and automobile
    16.
    发明授权
    Lithium-ion battery, battery module, battery pack, and automobile 有权

    公开(公告)号：US10790544B1

    公开(公告)日：2020-09-29

    申请号：US16707831

    申请日：2019-12-09

    Applicant: BYD COMPANY LIMITED

    Inventor： Chuanfu Wang ,  Long He ,  Huajun Sun ,  Jianhua Zhu ,  Zhipei Lu ,  Yan Zhu ,  Shichao Hu

    IPC: H01M10/42 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2/10 ,  H01M2/36

    Abstract: The present invention provides a lithium-ion battery, including: a housing and a separator located inside the housing, where the separator separates internal space of the housing into a plurality of accommodation cavities, battery core sets are disposed inside the accommodation cavities, the battery core sets each include at least one pole shank, and the battery core sets are connected in series; and at least one separator is provided with a liquid injection hole, and the liquid injection hole is used to connect two adjacent accommodation cavities on two sides of the separator; and a block mechanism, where the block mechanism is located inside the housing, the block mechanism enables the liquid injection hole to be in a predetermined state, and the predetermined state includes an open state and a closed state. The battery provided in the present invention ensures isolation and safety of each battery core set while facilitating liquid injection.

    Battery cover plate assembly and battery having the same
    17.
    发明授权
    Battery cover plate assembly and battery having the same 有权

    公开(公告)号：US10115939B2

    公开(公告)日：2018-10-30

    申请号：US15013831

    申请日：2016-02-02

    Applicant: BYD COMPANY LIMITED

    Inventor： Long He ,  Haiquan Wang ,  Hong Xiao ,  Deding Gou

    IPC: H01M2/04 ,  H01M2/06 ,  H01M2/30 ,  H01M2/22

    Abstract: A battery cover plate assembly and a battery having the same are provided. The battery cover plate includes: a cover plate (1); an insulation sheet (3) comprising an insulation sheet body (30) defining first and second ends (301, 302) and a limitation portion (31) disposed at the second end (302) of the insulation sheet body (30) and defining a limitation space (32) with a lower surface of the insulation sheet body (30); and a negative connection sheet (2) comprising a riveting portion (21) and a negative tab connection portion (22) defining a limitation end (221), in which the riveting portion (21) is connected to the insulation sheet (3) and the cover plate (1) via a rivet (4), and the limitation end (221) is inserted into the limitation space (32).

    Battery pack, vehicle and energy storage device
    20.
    发明授权
    Battery pack, vehicle and energy storage device 有权

    公开(公告)号：US11183729B2

    公开(公告)日：2021-11-23

    申请号：US17048947

    申请日：2019-06-21

    Applicant: BYD COMPANY LIMITED

    Inventor： Long He ,  Huajun Sun ,  Wenfeng Jiang ,  Zhipei Lu ,  Weixin Zheng ,  Jianglong Tang ,  Yan Zhu ,  Xinyue Wang ,  Kefeng He

    IPC: H01M50/209 ,  H01M50/249 ,  H01M50/383 ,  B60K1/04

    Abstract: A battery pack, a vehicle, and an energy storage device. The battery pack includes a housing with a first direction and a second direction perpendicular to the first direction. The battery pack housing includes at least one rectangular cell accommodating unit is formed therein. The battery pack also includes a plurality of rectangular cells, and has a dimension greater than or equal to 600 mm along the first direction. The plurality of rectangular cells are arranged in the rectangular cell accommodating unit along the second direction. The rectangular cell has a thickness of D, length of L, and height of H. A length direction of at least one rectangular cell extends from one side of the rectangular cell accommodating unit to its other side along the first direction, and meets: L>H, L>D, 600 mm≤L≤2500 mm, 23≤L/D≤208.

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